Not a blind bit/the blindest bit of…
phrase
Not the smallest amount or degree; not at all.
I don't care a blind bit about what they say.

Often appears as...
- don't care a blind bit
- doesn't make a blind bit
Usage tips
Informal
Idiomatic
phrase
Not the smallest amount or degree; not at all.
I don't care a blind bit about what they say.

Often appears as...
- don't care a blind bit
- doesn't make a blind bit
Usage tips
Informal
Idiomatic
Definition 1 of 1

British Idiom
Used mainly in British English, not common in American or other English variants.

He tried to impress her, but it didn't make a blind bit of difference.
Strong Negation
Emphasizes a complete lack of impact or concern; stronger than saying 'not much' or 'little'.

The criticism didn't make a blind bit of difference to her decision.
Emotional Dismissal
Often shows emotional disregard or indifference when used in personal contexts.

I don't give a blind bit about those rumors.
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